Spark Plugs

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Feb 15, 2009 | 02:07 AM

seevi

Thread Starter

Burning Brakes

Joined: Aug 2008

Posts: 802

Likes: 6

From: Oro Valley AZ

Spark Plugs

I'm looking for recommendations for new/replacement spark plugs for a 2007 LS2.

Feb 15, 2009 | 02:18 AM

nwc6

Melting Slicks

Joined: May 2004

Posts: 3,017

Likes: 2

NGK TR55, TR55IX if you want iridium..

Feb 15, 2009 | 02:25 AM

Randy@RaginRacin

Supporting Vendor

Joined: May 2008

Posts: 18,338

Likes: 61

From: SCOTT LA

We use NGK plugs here at the shop. I personally like the TR6.

Feb 15, 2009 | 09:34 AM

REVAK

Drifting

Joined: Apr 2006

Posts: 1,276

Likes: 5

From: Ambler Pa.

Quote:

Originally Posted by seevi

I'm looking for recommendations for new/replacement spark plugs for a 2007 LS2.

I am running the NGK iridium in my 06 LS2, I went 1 heat range colder. It's the plug used in the Z06, Part # TR6iX

Feb 15, 2009 | 10:56 AM

LS2-Zomb!e

Safety Car

Joined: Jan 2007

Posts: 4,332

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From: Kuwait

Quote:

Originally Posted by nwc6

NGK TR55, TR55IX if you want iridium..

Feb 15, 2009 | 11:09 AM

nwc6

Melting Slicks

Joined: May 2004

Posts: 3,017

Likes: 2

Quote:

Originally Posted by REVAK

I am running the NGK iridium in my 06 LS2, I went 1 heat range colder. It's the plug used in the Z06, Part # TR6iX

If your running a headers/tune, or other mods, I would use the TR6ix.

Feb 15, 2009 | 12:01 PM

vettl83

Burning Brakes

Joined: Feb 2002

Posts: 1,232

Likes: 10

From: Montrose Colorado

TR6 here w/ Maggie and headers, one step colder than stock and at a 1.99 a copy you can't go wrong.

Feb 15, 2009 | 02:00 PM

tdelena

Racer

Joined: Mar 2006

Posts: 464

Likes: 2

From: Dallas TX

St. Jude Donor '12, '14-'15, '17, '20

I had TR6 and didn't like them. Moved to TR55 with .047 gap and MSD wires. Idle is better and gas mileage went up 10%. Car has heads/cam, exhaust and tune.

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Feb 15, 2009 | 05:57 PM

c6 batmobile

Safety Car

Joined: Jan 2008

Posts: 4,711

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From: Middle of No where AK

Ngk tr6.

Feb 15, 2009 | 05:57 PM

#10

~~zich6~~

Banned Scam/Spammer

Joined: May 2005

Posts: 684

Likes: 38

From: Sagle, Idaho

St. Jude Donor '08-'09

Another vot for the TR6.

Feb 15, 2009 | 06:54 PM

#11

nwc6

Melting Slicks

Joined: May 2004

Posts: 3,017

Likes: 2

For those of you that run the TR6, how long do they last? I read on another forum that the TR6IX require less voltage to spark.

Feb 15, 2009 | 11:02 PM

#12

Mez

Safety Car

Joined: Jun 1999

Posts: 3,570

Likes: 3

From: Austin, Singapore, Kuala Lumpur, Houston, Dallas, Hong Kong, Elgin, etc.. Texas

Quote:

Originally Posted by nwc6

NGK TR55, TR55IX if you want iridium..

NGK TR55 and TR55IX are gapped at .060" gap. The LS2 is spec'd at .040" so the correct replacement is the TR5.

I communicated directly with NGK and they stated their website incorrectly listed the TR55 for Corvettes.

The shop I took my car to incorrectly intalled the TR55 but they seem to be fine once gapped at .060" so I have left them alone.

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